Three workers die in a mysterious explosion accident deep down in a mine shaft. The incident is obscured, but rumors begin to spread about a find that no one can explain.

Kahina Zadi, 32, a French police officer travels to Kiruna in Sweden to investigate the bestial murder of a French citizen. Together with Anders, a Swedish prosecutor of Sami origin, she begins an investigation. Soon new killings start to happen and the first victim turns out to be the tip of a very dark iceberg. The victims seemingly have nothing in common more than that they are all being killed in a well-planned and vicious manner.

In their hunt for the truth, both Kahina and Anders are forced to deal with their own past that they have repressed. A personal journey through a painful past becomes the key to succeed in preventing the violent killings that affects the small mining community of Kiruna.

The beautiful island of Sunnanö in the Swedish archipelago is home to a popular B&B run by Anna-Lisa and her son Oskar. Anna-Lisa has summoned her daughter Jonna, an actress, and son Lasse, an opportunist, to the island. It is the first time in years that they are together again. When Anna-Lisa is found dead one morning, the siblings learn that she had terminal cancer: Her will stipulates that all three siblings must run the family B&B together for a year, or they won’t inherit it at all. It is a mother’s last effort to reunite her children. But it will also confront them with the family’s unsolved past, present forces of attraction, and a very dark secret buried in a most unfortunate place…